US Patent 7610729 Structural vent assembly for a roof perimeter

A structural vent assembly comprising a back member having a forward surface and a rear surface; a mount member adapted to be secured to the support structure between the roof deck and the support structure, the mount member having a proximal end fixedly attached to the rear surface; a front member having an outer surface and an inner surface; and means for connecting the forward surface to the inner surface in spaced apart relationship to form a passage for air flow therebetween, the passage having an upper end and a lower end communicating with the air space of the roof deck.